Mathematics 5 curriculum guide 2015 I table of contents acknowledgements

Note
See p. 46 in Teacher’s Guide for a 
good problem solving example.
A
'
B
'
C'
D
'
A
B
C
D
A
'
B
'
D
'
Lesson 3: Performing Reflections 
on a Grid
TR: pp. 20-24
SB: pp. 156-159
Note
The term 
Mira
TM
can be 
interchanged with transparent 
mirror or Reflect View on an 
interactive white board or Flip on 
SMART Notebook.
Δ
Δ
Journal
• Provide students with a given shape and a line of reflection. Ask 
them to draw and label the reflection image and describe the distance 
each vertex of the original and reflected polygon is from the line of 
reflection.
(5SS7.4)
C'
A 
B
C 
Line of reflection 

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130
MATHEMATICS 5 CURRICULUM GUIDE 2015
Specific Outcomes
MOTION GEOMETRY
Suggestions for Teaching and Learning
Students will be expected to:
Shape and Space (Transformations)
Provide sample polygons and their reflections.
5SS8.2 Describe a given reflection 
by identifying the line of reflection 
and the distance of the image 
from the line of reflection.
5SS8 Continued..
.
Achievement Indicator:
Students should describe the reflection:
• Figure ABCD has been reflected in a horizontal line of reflection.
• The image A
'
B
'
C
'
D
'
is congruent to the original polygon. 
• A' is three units from the line of reflection, B' and C' are five units 
away from the line of reflection, and D' is four units away from the 
line of reflection.
B C 
D 
A
A’
D’ 
B’ C’ 

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